Aliasing crawler depth to '-d' for easy of use. (#925)

bin/sitespeed.js

@@ -35,7 +35,6 @@ if (log.isEnabledFor(log.CRITICAL)) { // TODO change the threshold to VERBOSE be
 
 log.info('Versions OS: %s sitespeed.io: %s browsertime: %s coach: %s', os.platform() + ' ' + os.release(), packageInfo.version, packageInfo.dependencies.browsertime, packageInfo.dependencies.webcoach);
 
-// FIXME need to consider aliases, e.g. -d => --crawler.depth
 loader.parsePluginNames(parsed.raw)
   .then((pluginNames) => {
     if (allInArray(['browsertime', 'coach'], pluginNames)) {

lib/support/cli.js

@@ -74,7 +74,8 @@ module.exports.parseCommandLine = function parseCommandLine() {
     /*
      Crawler options
      */
-    .option('crawler.depth', {
+    .option('d', {
+      alias: 'crawler.depth',
       describe: 'How deep to crawl (1=only one page, 2=include links from first page, etc.)',
       group: 'Crawler'
     })
@@ -254,6 +255,11 @@ module.exports.parseCommandLine = function parseCommandLine() {
     }
     // End hack
 
+    // FIXME: Find a solution that would work for all aliasing
+    if(argv.d) {
+      rawArgv = merge({}, {"crawler": {"depth": argv.d}}, rawArgv);
+    }
+
   return {
     url: argv._[0],
     options: argv,